
Description: isUp is a free, open-source website monitoring tool that allows users to monitor the status of websites and servers. It checks if sites are up or down and sends notifications if there are any issues detected.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PHP Server Monitor is an open source software that allows administrators to monitor the status of web servers, databases, and other services. It tracks uptime, response time, CPU and memory usage. It comes with email and SMS notifications to alert when issues arise.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API